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Interactive resources you can assign in your digital classroom from TpT.

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Pre-made digital activities. Add highlights, virtual manipulatives, and more.

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MY FEATURED ITEMS

My Products

This set includes Area and the Theorem of Pythagoras. Patty Paper Geometry® was designed as a resource to supplement high school geometry courses or as a text in pre-geometry, pre-algebra, and middle grades mathematics programs. An investigation set

Subjects:

Math, Critical Thinking, Geometry

Grades:

8^{th}, 9^{th}, 10^{th}, Homeschool

Types:

Worksheets, Homeschool Curricula, Activities

This set includes Transformations, Symmetry, and Tessellations. This is one of my favorite activities. In Investigation Set 10 there are three investigations that are not labeled Guided or Open. These investigations give step-by-step instructions

Subjects:

Math, Critical Thinking, Geometry

Grades:

8^{th}, 9^{th}, 10^{th}

Types:

Worksheets, Homeschool Curricula, Activities

This set includes Congruent Triangles. Patty Paper Geometry® was designed as a resource to supplement high school geometry courses or as a text in pre-geometry, pre-algebra, and middle grades mathematics programs. An investigation set may take two

Subjects:

Math, Critical Thinking, Geometry

Grades:

8^{th}, 9^{th}, 10^{th}, Homeschool

Types:

Worksheets, Homeschool Curricula, Activities

This set includes the Properties of Circles. Patty Paper Geometry® was designed as a supplement to high school geometry courses or as a text in pre-geometry, pre-algebra, and middle grades mathematics programs. An investigation set may take two to

Subjects:

Math, Critical Thinking, Geometry

Grades:

8^{th}, 9^{th}, 10^{th}, Homeschool

Types:

Worksheets, Homeschool Curricula, Activities

This set includes Three Big Ideas: polygon sum, isosceles triangle conjectures, parallel lines; Midsegment Conjectures; and Properties of Quadrilaterals. Patty Paper Geometry® was designed as a supplement to high school geometry courses or as a

Subjects:

Math, Critical Thinking, Geometry

Grades:

8^{th}, 9^{th}, 10^{th}, Homeschool

Types:

Worksheets, Homeschool Curricula, Activities

This set includes Intersecting Lines, Folding Basic Geometric Constructions, and Special Points of Intersection.Patty Paper Geometry® was designed as a resource to supplement high school geometry courses or as a text in pre-geometry, pre-algebra,

Subjects:

Math, Critical Thinking, Geometry

Grades:

8^{th}, 9^{th}, 10^{th}, Homeschool

Types:

Worksheets, Homeschool Curricula, Activities

Patty Paper® Geometry was designed as a resource to supplement high school geometry courses or as a text in pre-geometry, pre-algebra, and middle grades mathematics programs. An investigation set may take two to three days, and the exercise sets may

Subjects:

Math, Critical Thinking, Geometry

Grades:

8^{th}, 9^{th}, 10^{th}, Homeschool

Types:

Worksheets, Homeschool Curricula, Activities

Pirate Math takes you to sun-drenched islands in search of buried treasure. With treasure map in hand, you will follow clues and solve puzzles, uncovering secret origins. In Pirate Math I have combined the fun and challenge of coordinate geometry

Subjects:

Critical Thinking, Geometry, Graphing

Grades:

8^{th}, 9^{th}, 10^{th}, Homeschool

Types:

Worksheets, Homeschool Curricula, Activities

In Chapter 7 you visit tropical isles for some cipher adventures. Section 7.1 discusses cryptography, which is used to encrypt and protect your sensitive computer information. You will learn the difference between codes and ciphers and how to create

Subjects:

Geometry, Word Problems, Problem Solving

Grades:

8^{th}, 9^{th}, 10^{th}, Homeschool

Types:

Worksheets, Homeschool Curricula, Activities

Chapter 6 takes you to mysterious islands for some geometry fun. In Section 6.1 you will learn or review some geometry. You will then use your geometry and reasoning skills to find pirate treasure buried on island hideaways in Section 6.2. Students

Subjects:

Geometry, Word Problems, Problem Solving

Grades:

8^{th}, 9^{th}, 10^{th}, Homeschool

Types:

Worksheets, Homeschool Curricula, Activities

In Chapter 5, you will learn about the 3-D coordinate system. Archaeologists, marine biologists, and neuroscientists use this system. Your visual thinking skills will be put to the test as you learn to sketch 3-D polyominoes on isometric grids. You

Subjects:

Graphing, Problem Solving, Other (Science)

Grades:

8^{th}, 9^{th}, 10^{th}, Homeschool

Types:

Worksheets, Homeschool Curricula, Activities

In Chapter 4, you will learn about coordinates on a globe (parallels, meridian, prime meridian, international date line, and time zones). You will use longitude and latitude lines to help you locate positions on the earth and then play Buried

Subjects:

Geography, Graphing, Problem Solving

Grades:

8^{th}, Homeschool, 6^{th}, 7^{th}

Types:

Worksheets, Homeschool Curricula, Activities

In Chapter 3, you will learn about the polar coordinate system. This system is used by air traffic controllers and submarine captains. Play Buried Treasure games in the Polar Coordinate Plane and then solve polar coordinate grid puzzles. In the last

Subjects:

Geometry, Graphing, Word Problems

Grades:

8^{th}, Homeschool, 6^{th}, 7^{th}

Types:

Worksheets, Homeschool Curricula, Activities

Chapter 2 introduces graphing, linear equations, and Buried Treasure games in the Cartesian Coordinate Plane. You'll solve puzzles using what you have learned about the rectangular coordinate system. The chapter has a special review appendix on

Subjects:

Geometry, Graphing, Problem Solving

Grades:

Homeschool, 5^{th}, 6^{th}, 7^{th}

Types:

Worksheets, Activities, Games

CCSS:

5.G.A.1, 5.G.A.2

Chapter 1 introduces polyominoes. These shapes are the “treasures” you will be searching for in the different Buried Treasure games throughout Pirate Math. Strategic planning, recognizing patterns, understanding symmetry and transformations are all

Subjects:

Graphing, Problem Solving, Other (Math)

Grades:

8^{th}, Homeschool, 6^{th}, 7^{th}

Types:

Worksheets, Homeschool Curricula, Activities

Chapter 2 introduces graphing, linear equations, and Buried Treasure games in the Cartesian Coordinate Plane. Then solve puzzles using what you have learned about the rectangular coordinate system. The chapter has a special review appendix on linear

Subjects:

Geometry, Word Problems, Other (Math)

Grades:

8^{th}, Homeschool, 6^{th}, 7^{th}

Types:

Worksheets, Homeschool Curricula, Activities

Chapter 6 takes you to mysterious treasure islands for some geometry fun. In Section 6.1 you will learn or review some geometry. You will then use your geometry and reasoning skills to find pirate treasure buried on island hideaways in Section 6.2.

Subjects:

Geometry, Word Problems, Other (Math)

Grades:

8^{th}, 9^{th}, 10^{th}, Homeschool

Types:

Worksheets, Homeschool Curricula, Activities

In Chapter 3, you will learn about the polar coordinate system. Air traffic controllers and submarine captains use this system. Play Buried Treasure games in the Polar Coordinate Plane and then solve polar coordinate grid puzzles. In the last

Subjects:

Graphing, Problem Solving, Other (Math)

Grades:

8^{th}, Homeschool, 6^{th}, 7^{th}

Types:

Worksheets, Homeschool Curricula, Games

Chapter 2 introduces graphing, linear equations, and Buried Treasure games in the Cartesian Coordinate Plane. Then solve puzzles using what you have learned about the rectangular coordinate system. The chapter has a special review appendix on linear

Subjects:

Graphing, Problem Solving, Other (Math)

Grades:

8^{th}, Homeschool, 6^{th}, 7^{th}

Types:

Worksheets, Homeschool Curricula, Games

In Chapter 4, you will learn about using coordinates on a globe (parallels, meridian, prime meridian, international date line, and time zones). You will use longitude and latitude lines to help you locate positions on the earth and then play Buried

Subjects:

Geography, Graphing, Problem Solving

Grades:

8^{th}, Homeschool, 6^{th}, 7^{th}

Types:

Worksheets, Homeschool Curricula, Games

Ask Michael Serra dba Playing It Smart a question. They will receive an automated email and will return to answer you as soon as possible.
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TEACHING EXPERIENCE

I was a public HS math teacher in San Francisco from 1969 - 2001. I wrote my own geometry curriculum using familiar objects like patty paper, tennis ball cans, and string. This classroom material became the textbook "Discovering Geometry". In addition to Discovering Geometry, I wrote Mathercise, What's Wrong with This Picture, Smart Moves, Pirate Math, and Patty Paper Geometry. All of the material was tested in my classroom and used by teachers worldwide. I continue to serve as a master teacher and mentor to other teachers. I taught professional development workshops with school districts and math conferences until 2017. I teach weekly at a San Francisco elementary school. Working with the fifth-grade class is the “highlight of my week.”

MY TEACHING STYLE

I believe students learn with a greater depth of understanding when they are actively engaged in discovering concepts (inquiry learning). In today's world, the skills valued in all working environments are the ability to problem solve, express ideas, and to work as part of a team. I want my students to be engaged daily in doing mathematics and exchanging ideas in cooperative groups.

HONORS/AWARDS/SHINING TEACHER MOMENT

- former President of the San Francisco Mathematics Teachers Association (SFMTA) - California Finalist Presidential Award for Excellence in Science and Mathematics Teaching (1997) - San Francisco Math Teacher of the Year (1996)

MY OWN EDUCATIONAL HISTORY

B.A., Mathematics, 1968, San Francisco State College Standard Secondary Teaching Credential, 1969, San Francisco State College M.S., Mathematics, 1976, College of the Holy Names California Community College Credential, 1977, College of the Holy Names CMC-N Asilomar conference every year for 40 consecutive years (except sabbatical year), National Council of Teachers of Mathematics (NCTM) national conferences (1989–2014).

ADDITIONAL BIOGRAPHICAL INFORMATION

- Speaker at NCTM and CMC conferences (1991-2016) - Mathematics and Science Conference, San Jose, Costa Rica (2002, 2006) - AMESA Conference, Durban, South Africa (June 2002) - Australian Math Teachers Association (May 2002) - Tasmanian public schools in Hobart, Tasmania (May 2002) - International Schools in Hong Kong, Shanghai, and Beijing, China (2004) - Math For America

GRADES

5^{th}, 6^{th}, 7^{th}, 8^{th}, 9^{th}, 10^{th}, 11^{th}, 12^{th}, Homeschool

SUBJECTS

Specialty, Math, Algebra, Arithmetic, Basic Operations, Calculus, Geometry, Graphing, PreCalculus, Other (Math), Science, Other (Science), Social Studies - History, Geography, Gifted and Talented, Critical Thinking, Word Problems, Problem Solving, Algebra 2